EXHIBIT 21
SUBSIDIARIES
| Registrant’s Subsidiaries | Percentage Ownership | State of Organization | ||
| Radnet Management, Inc. | 100% | California | ||
| Radnet Managed Imaging Services, Inc. | 100% | California | ||
| Radnet Management I, Inc. | 100% | California | ||
| Radnet Management II, Inc. | 100% | California | ||
| Radnet Sub, Inc. | 100% | California | ||
| FRI II, Inc. | 100% | California | ||
| FRI, Inc. | 100% | California | ||
| Pacific Imaging Partners, Inc. | 100% | California | ||
| Rolling Oaks Imaging Corporation | 100% | California | ||
| Rolling Oaks Radiology, Inc. | 100% | California | ||
| SoCal MR Site Management, Inc. | 100% | California | ||
| Valley Imaging Partners Inc. | 100% | California | ||
| Advanced Imaging Partners, Inc. | 100% | Delaware | ||
| Advanced NA, LLC | 100% | Delaware | ||
| Community Imaging Partners, Inc. | 100% | Delaware | ||
| Delaware Imaging Partners, Inc. | 100% | Delaware | ||
| Diagnostic Imaging Services, Inc. | 100% | Delaware | ||
| Ide Imaging Partners, Inc. | 100% | Delaware | ||
| Image Medical Corporation | 100% | Delaware | ||
| Mid Rockland Imaging Partners, Inc. | 100% | Delaware | ||
| Radiologix, Inc. | 100% | Delaware | ||
| Radiology and Nuclear Medicine Imaging Partners, Inc. | 100% | Delaware | ||
| Treasure Coast Imaging Partners, Inc. | 100% | Delaware | ||
| Questar Imaging, Inc. | 100% | Florida | ||
| Questar Los Alamitos,Inc. | 100% | Florida | ||
| Questar Victorville, Inc. | 100% | Florida | ||
| Advanced Radiology, LLC | 100% | Maryland | ||
| Imaging On Call, LLC | 100% | New York | ||
| East Bergen Imaging, LLC | 100% | New Jersey | ||
| Health Diagnostics of New Jersey, LLC | 100% | New Jersey | ||
| New Jersey Imaging Partners, Inc. | 100% | New Jersey | ||
| Progressive Medical Imaging of Bloomfield, LLC | 100% | New Jersey | ||
| Progressive Medical Imaging of Hackensack, LLC | 100% | New Jersey | ||
| Progressive Medical Imaging of Union City, LLC | 100% | New Jersey | ||
| Progressive X-Ray of Englewood, LLC | 100% | New Jersey | ||
| Progressive X-Ray of Kearney, LLC | 100% | New Jersey | ||
| eRad, Inc. | 100% | Pennsylvania |
| Raven Holdings USA, Inc. | 100% | Delaware | ||
| American Raidiology Services of Delaware, Inc. | 100% | Delaware | ||
| American Radiology Services, LLC | 100% | Delaware | ||
| Healthcare of Rhode Island, LLC | 100% | Delaware | ||
| Radiology Alliance Delivery Systems, LLC | 100% | Delaware |
